Skip to content

Quantum solitons of the nonlinear sigma-model with broken chiral symmetry

A. P. Kostyuk, A. P. Kobushkin, N. M. Chepilko, T. Okazaki

hep-pharXiv:hep-ph/9308286

Abstract

It is proved that the quantum-mechanical consideration of global breathing of a hedgehog-like field configuration leads to the dynamically stable soliton solutions in the nonlinear sigma-model without the Skyrme term. Such solutions exist only when chiral symmetry of the model is broken.

Create a lesson